551658856155 has 64 divisors (see below), whose sum is σ = 991156843008. Its totient is φ = 259653288960.

The previous prime is 551658856127. The next prime is 551658856181.

551658856155 is nontrivially palindromic in base 10.

551658856155 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551658856155 - 2⁸ = 551658855899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2602527 + ... + 2806503.

It is an arithmetic number, because the mean of its divisors is an integer number (15486825672).

Almost surely, 2^551658856155 is an apocalyptic number.

551658856155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551658856155 is a deficient number, since it is larger than the sum of its proper divisors (439497986853).

551658856155 is a wasteful number, since it uses less digits than its factorization.

551658856155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204476.

The product of its digits is 36000000, while the sum is 60.

The spelling of 551658856155 in words is "five hundred fifty-one billion, six hundred fifty-eight million, eight hundred fifty-six thousand, one hundred fifty-five".